// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package testlog

import (
	"fmt"

	"github.com/GoogleCloudPlatform/khi/pkg/common/structured"
)

// YAML function returns a TestLogOpt generating the structure node with given YAML string.
func YAML(yamlStr string) TestLogOpt {
	return func(original structured.Node) (structured.Node, error) {
		if original != nil {
			return nil, fmt.Errorf("BaseYaml expects no previous TestLogOpt is given. But an instance of node was given")
		}
		if yamlStr == "" {
			return structured.NewEmptyMapNode(), nil
		}
		return structured.FromYAML(yamlStr)
	}
}
